Chris Avram was a Romanian-Italian film actor.
An elderly heiress is killed by her husband who wants control of her fortunes. What ensues is an all-out murder spree as relatives and friends attempt to reduce the inheritance playing field, complicated by some teenagers who decide to camp out in a dilapidated building on the estate.
A rich man gathers together friends and relatives at the abandoned theatre he owns, but the party isn't fun for long since apparently one of them is a murderer.
Pasquale Bellachioma, the unfortunate Police Commissioner, creates a "master stroke" that can finally put it to light before their superiors, but the results is continuous failure.